Key Features
Corded Power, No CordThe POWERSTATE brushless motor is built to deliver the performance of a 15 amp corded miter saw, so you get full-size 12 inch miter saw capability without being tied to an outlet. Full 12 Inch CapacityWith a 2 x 14 crosscut capacity at 90 degrees, 7-1/2 inch nested crown capacity, and 6-3/4 inch vertical base capacity against the fence, this saw handles the trim and framing cuts that make smaller saws tap out. Built to MoveLightweight aluminum construction plus integrated top and side carry handles make this Milwaukee sliding compound miter saw easier to haul from truck to setup without giving up jobsite stability.
Overview
The Milwaukee 2739-21HD M18 FUEL 12 Inch Dual Bevel Sliding Compound Miter Saw Kit is a cordless 12 inch sliding compound miter saw built for professional carpenters, remodelers, and general contractors who need full-size cutting capacity without dragging a cord around the jobsite. This is a cordless sliding compound miter saw designed for crosscuts, miter cuts, bevel cuts, trim work, and general jobsite cutting. Model Number: 2739-21HD. If your work moves room to room, floor to floor, or house to house, this setup matters because it gives you the cut capacity of a corded 12 inch saw with the portability of the Milwaukee M18 platform.
The big story here is performance. Milwaukee built this saw around a POWERSTATE brushless motor and rates it to generate the power of a 15 amp corded miter saw. That matters when you are cutting wider stock, nested crown, tall base, or repeat trim cuts and you do not want the saw to feel like a compromise just because it runs on battery power. The saw spins at 3,500 RPM, delivers up to 330 cuts per charge, and gives you the kind of output most buyers expect from a shop saw, not a cordless one.
Capacity is what separates a real production miter saw from a light-duty trim saw, and the Milwaukee 2739-21HD M18 FUEL 12 Inch Dual Bevel Sliding Compound Miter Saw Kit has the numbers that matter. You get a 2 x 14 crosscut capacity at 90 degrees, 2 x 14 capacity at 45 degree bevel, 8 inch capacity at 45 degree miter, 6-3/4 inch vertical base capacity against the fence, and 7-1/2 inch vertical nested crown capacity. In plain terms, this saw is set up for serious trim carpentry, finish work, and common framing and remodeling cuts without immediately forcing you to reach for a bigger stationary setup.
Milwaukee also paid attention to how the saw actually feels in daily use. The dual horizontal steel rails ride on three large linear bearings for smooth sliding action, which helps when you are making repeated crosscuts and want the head travel to stay consistent instead of feeling sticky or loose. The adjustable stainless steel detent plate, cam locking miter system, and detent override make angle changes faster when you are working through standard stops and occasional odd angles on the same install. That is the kind of stuff that saves time over the course of a long trim day.
For visibility and cut alignment, the saw uses a shadow cut line indicator instead of a laser. That is a practical choice on a miter saw because the shadow stays true to blade thickness and does not need the same kind of recalibration you often deal with on other systems. Tall sliding and removable fences support larger base and crown work against the fence, and the comfortable horizontal handle keeps the on and off action familiar and controlled. These are not flashy features, but they are the ones you notice when you are trying to keep cuts accurate and workflow steady.
On the jobsite side, the saw is built with lightweight aluminum construction and integrated top and side carry handles to make transport more manageable. Milwaukee calls it up to 15% lighter than leading competitors, and with a listed tool weight of 52.4 lbs, it is still a full-size 12 inch sliding saw, but one that is clearly meant to move. If you regularly load in and out, set up in finished spaces, or work where power is not in the right spot yet, that portability is a real advantage.
System fit is another strong point. This kit runs on the Milwaukee M18 battery system and includes an M18 REDLITHIUM HIGH OUTPUT HD12.0 battery pack and an M18 and M12 multi-voltage charger. It is also ONE-KEY compatible, which matters for users already managing tools across Milwaukee’s connected platform. REDLINK PLUS intelligence handles the communication between tool and battery for performance and overload protection during heavy cuts, so the saw is not just powerful on paper, it is designed to protect itself when pushed.
Who should buy it? If you are a carpenter, remodeler, trim installer, punch-out contractor, or general contractor who wants a real cordless miter saw instead of a small-site compromise, this is the right kind of machine. It is especially well suited to jobs where portability, setup speed, and full 12 inch capacity all matter at the same time. If you mostly work in one shop with power everywhere, a corded saw still makes sense. But if your saw earns its keep on active jobsites, this Milwaukee kit is built for exactly that kind of work.
At a Glance
3,500No-Load Speed (RPM) 330Cuts Per Charge 2 x 1490 Degree Cross Cut Capacity 12 inBlade Size
Full-Size Cutting Capacity Without Hunting for Power
This saw is built for users who need real 12 inch miter saw capacity in places where cords slow the job down. You get the reach, the angle range, and the power for production cuts while staying on the M18 platform.
- POWERSTATE brushless motor is built to match 15 amp corded miter saw performance
- 90 degree crosscut capacity of 2 x 14 handles wide stock that smaller cordless saws cannot
- Dual bevel design with 48 degree left and 48 degree right bevel capacity adds flexibility for finish and remodel work
Kit Setup That Gets You to Work Fast
This is not a bare tool situation. The included HIGH OUTPUT battery and charger make the kit useful right away, especially for crews already running Milwaukee cordless tools across the site.
- Includes M18 REDLITHIUM HIGH OUTPUT HD12.0 battery pack for longer run time and cooler operation
- Includes M18 and M12 multi-voltage charger for platform flexibility
- ONE-KEY compatibility adds connected tool management for users already invested in the system
What’s in the Box
- (1) Milwaukee M18 FUEL 12 Inch Dual Bevel Sliding Compound Miter Saw, Tool Only (2739-20)
- (1) 12 Inch Miter Saw Blade
- (1) M18 REDLITHIUM HIGH OUTPUT HD12.0 Battery Pack (48-11-1812)
- (1) M18 and M12 Multi-Voltage Charger (48-59-1812)
- (1) Clamp
- (1) Handle
Key Specifications
| Battery Platform | M18 |
|---|---|
| Power Source | Cordless |
| Blade Size | 12 in |
| Motor Type | Brushless |
| No-Load Speed | 3,500 RPM |
| Weight | 52.4 lbs |
| Length | 33 in |
| Width | 31.5 in |
| Height | 17.5 in |
| Max Miter Capacity | 55 degree left / 60 degree right |
| Max Bevel Capacity | 48 degree left / 48 degree right |
| 90 Degree Cross Cut Capacity | 2 x 14 |
| 45 Degree Miter Cross Cut Capacity | 8 in |
| Vertical Capacity Against Fence | 6-3/4 in |
| Vertical Nested Crown Capacity | 7-1/2 in |
| ONE-KEY Compatible | Yes |
Compatibility
Battery PlatformWorks on the Milwaukee M18 battery system. Included ChargerIncludes an M18 and M12 multi-voltage charger. Connected PlatformONE-KEY compatible for users managing tools through Milwaukee’s connected system.
Built For
Carpentry Remodeling General Contracting Trim Installation Finish Work Baseboard and Crown Molding Jobsite Crosscuts Woodworking
Pro Tip
If you are switching between standard detent angles and oddball trim cuts, use the detent override instead of forcing the table between stops. It speeds up angle changes and helps keep your miter settings cleaner when you are moving fast on install day.
Warranty & Support
5 Year tool warranty and 3 Year battery warranty.
Tool Nut’s Take
Tool Nut’s Take
Milwaukee 2739-21HD M18 FUEL 12 Inch Dual Bevel Sliding Compound Miter Saw Kit gets serious work done
This is the kind of cordless miter saw that actually replaces a corded saw on the job instead of acting like a backup plan.
- Who it’s for: Pros doing trim, remodel work, punch lists, and general carpentry who want full 12 inch capacity without dealing with extension cords and temporary power.
- Why it stands out: It gives you corded-class output, wide crosscut capacity, dual bevel range, a usable shadow cut line, and it comes with the HD12.0 battery that makes the platform make sense.
- Worth knowing: It is still a full-size sliding saw, so this is not a featherweight trim saw. What you are getting is portability with real capacity, not a stripped-down compact model.
Common Questions
- Is this a cordless or corded miter saw? It is a cordless miter saw that runs on the Milwaukee M18 battery system.
- What is the blade size? This saw uses a 12 inch blade.
- Does it support dual bevel cuts? Yes. It has 48 degree bevel capacity left and right.
- What is the maximum miter range? The saw miter range is 55 degrees to the left and 60 degrees to the right.
- Is this saw ONE-KEY compatible? Yes, the Milwaukee 2739-21HD is ONE-KEY compatible.
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